Splendid Reverse Worker seems to be manifested ill luck. In its presence everything seems to go wrong- mirrors and glasses shatter, animals fall ill and are injured, tempers flare and depression looms, metal rusts, and a general environment of pure Murphy’s Law occurs.

Darkness nested in the woman’s heart
And her husband found that the Dark Face lingered there
So he took her to a pit of fire
And he cast her in.
-Twenty-Ninth Explanation, Sun’s Sword 5:8, The Book of Two Faces

The God has two faces, and wears two masks.
One is a bright mask, shining with light, shining like the sun’s gold; it is the Gold Mask.
The other is a dark mask, blackened with shadows, black like the night. That is the Dark Mask.
-First Explanation, Priest’s Teachings 1:2, The Book of Two Faces

In the insanely complicated politics of the Underworld, the Ghostlords are the highest beings below the Death Gods. But First and Night-Crowned Wolf, Ghostlord of Blood and Fury, seeks to make himself the one and only Ghostlord, and grind the Underworld beneath his iron heel.